#define  _CRT_SECURE_NO_WARNINGS	1
#include <stdio.h>
int main()
{
	int a = 0;
	int b = 0;
	int c = 0;
	printf("please input:a,b:\n");
	scanf("%d,%d", &a,&b);
	c = a + b;
	printf("%d\n", c);
	return 0;
}